Instructions for Form CT-1120 Corporation Business Tax Return - Connecticut

Form CT-1120 Corporation Business Tax Return - Connecticut

This document contains official instructions for Form CT-1120 , Corporation Business Tax Return - a form released and collected by the Connecticut Department of Revenue Services. An up-to-date fillable Form CT-1120 is available for download through this link.

FAQ

Q: What is Form CT-1120?A: Form CT-1120 is the Corporation Business Tax Return for the state of Connecticut.

Q: Who needs to file Form CT-1120?A: All corporations doing business or deriving income from sources within Connecticut must file Form CT-1120.

Q: What information is required on Form CT-1120?A: Form CT-1120 requires information on the corporation's income, deductions, credits, and tax liability.

Q: When is Form CT-1120 due?A: Form CT-1120 is due on the 15th day of the fourth month following the close of the corporation's tax year.

Q: Are there any extensions available for filing Form CT-1120?A: Yes, corporations may request a six-month extension to file Form CT-1120 by submitting Form CT-1120 EXT.

Q: How can I file Form CT-1120?A: Form CT-1120 can be filed electronically using the Connecticut Taxpayer Service Center, or by mail using the address provided in the instructions.

Q: Are there any penalties for late filing of Form CT-1120?A: Yes, there are penalties for late filing and late payment of taxes due. The specific penalties are listed in the instructions for Form CT-1120.